<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magento.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @copyright  Copyright (c) 2006-2018 Magento, Inc. (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Catalog product group price backend attribute model
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Model_Resource_Product_Attribute_Backend_Groupprice
    extends Mage_Catalog_Model_Resource_Product_Attribute_Backend_Groupprice_Abstract
{
    /**
     * Initialize connection and define main table
     *
     */
    protected function _construct()
    {
        $this->_init('catalog/product_attribute_group_price', 'value_id');
    }

    /**
     * Add is_percent column
     *
     * @param array $columns
     * @return array
     */
    protected function _loadPriceDataColumns($columns)
    {
        $columns               = parent::_loadPriceDataColumns($columns);
        $columns['is_percent'] = 'is_percent';
        return $columns;
    }
}
